Question

Suppose that the lifetime of a computer model is an aleator variable with an exponential distribution whose mean is 18 m...

Suppose that the lifetime of a computer model is an aleator variable with an exponential distribution whose mean is 18 months

a) If the cost of assembly of each computer is 1260 USD and sold at 1850 USD, determine the expected utility for each computer knowing that the distributor changes to a new one if it lasts less than 12 months

b) A company acquires 8 such computers, what is the probability that at least 1 lasts at least 12 months?

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Answer #1

r1 @fr (x $12): 1-eRA8. I-C§, P(X기2):e⅔ Expected ukiit{: 185o» éa_ (260(1-8⅔)-Esc.ER 1-P)

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